6. A marine turbine developing 15,000 hp and it turns the shaft at 300 rpm. The propeller which is attached to the shaft develops a thrust of 150,000 lbs. A hollow steel shaft with an outside diameter of 14 in. will be used. The maximum shearing stress based on the torsion alone is not to exceed 7.5 ksi. Find the thickness of the hollow shaft in mm.

6. A marine turbine developing 15,000 hp and it turns the shaft at 300 rpm. The propeller which is attached to the shaft develops a thrust of 150,000 lbs. A hollow steel shaft with an outside diameter of 14 in. will be used. The maximum shearing stress based on the torsion alone is not to exceed 7.5 ksi. Find the thickness of the hollow shaft in mm.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter3: Torsion

Section: Chapter Questions

Problem 3.7.10P: What is the maximum power that can be delivered by a hollow propeller shaft (outside diameter 50 mm,...

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